%PDF- %PDF-
Direktori : /proc/985914/root/data/old/usr/lib/xsp/test/1.1/webcontrols/ |
Current File : //proc/985914/root/data/old/usr/lib/xsp/test/1.1/webcontrols/temperature.aspx |
<%@ Page Language="C#" %> <%@ Register TagPrefix="mono" TagName="MonoSamplesHeader" src="~/controls/MonoSamplesHeader.ascx" %> <html> <script runat=server> void Clicked (object o, EventArgs e) { if (!Page.IsValid) return; double val; try { val = Double.Parse (degrees.Text); } catch (Exception) { result.Text = "<font color=\"red\">Invalid number in degrees</font>"; return; } double kval; switch (fromScale.SelectedIndex) { case 0: kval = val + 373; break; case 1: kval = 373 + (val - 32) * 5 / 9; break; case 2: if (val < 0) { result.Text = "<font color=\"red\">Kelvin is not defined for negtive numbers</font>"; return; } kval = val; break; default: result.Text = "<font color=\"red\">Invalid from index</font>"; return; } switch (toScale.SelectedIndex) { case 0: kval -= 373; break; case 1: kval = ((kval - 373) * 9 / 5) + 32; break; case 2: // Do nothing break; default: result.Text = "<font color=\"red\">Invalid from index</font>"; return; } result.Text = String.Format ("Converting {0} from {1} to {2} gives <b>{3}</b>", val, fromScale.Value, toScale.Value, Math.Round (kval, 3)); } </script> <head> <link rel="stylesheet" type="text/css" href="/mono-xsp.css"> <title>Temperature conversion</title> </head> <body><mono:MonoSamplesHeader runat="server"/> <h3>Temperature conversion</h3> Choose to/from and enter degrees. <form runat="server"> <span>From: </span> <select id="fromScale" runat="server"> <option selected="true">Celsius</option> <option>Farenheit</option> <option>Kelvin</option> </select> <span>Degrees: </span> <asp:TextBox id="degrees" Text="" runat="server" /> <span>To: </span> <select id="toScale" runat="server"> <option>Celsius</option> <option selected="true">Farenheit</option> <option>Kelvin</option> </select> <p> <asp:Label runat=server id="result" Text="" /> <p> <asp:Button id="btn" Text="Calculate" OnClick="Clicked" runat="server"/> <p> <asp:RequiredFieldValidator runat="server" id="vDegrees" ControlToValidate="degrees" display="Dynamic" ErrorMessage="Degrees not filled!" /> </form> </body> </html>